/* ==========================================================================
   Fendi GlueWorks — 主样式表 v1.2
   分子胶专科 CRO 官方站点
   设计语言：科学编辑级 · 中文优先排印 · 节制的细节
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  /* 色彩 —— 一套更冷、更克制的体系 */
  --ink: #0C1C36;            /* 主墨色 */
  --ink-soft: #1B2D4A;
  --ink-mute: #3A4B66;
  --accent: #008C7A;         /* 主强调色（更深的青，去除土气） */
  --accent-deep: #006B5C;
  --accent-soft: #E6F2F0;
  --gold: #BC8B3F;           /* 仅用于极少处装饰 */
  --paper: #F4F1EA;
  --paper-soft: #FAF8F3;
  --paper-cool: #F2F4F7;     /* 冷色调底纹 */
  --white: #FFFFFF;
  --rule: #D6D2C7;
  --rule-cool: #D8DEE7;
  --rule-soft: #E8EAEE;
  --text: #1B1E22;
  --text-soft: #4B5563;
  --text-mute: #6B7280;
  --critical: #B53C2E;

  /* 字体 —— 仅加载西文 webfont，中文交给系统字体 */
  --font-display: "Fraunces", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Source Han Sans CN", "Noto Sans CJK SC", "Microsoft YaHei", "微软雅黑", sans-serif;
  --font-cn-serif: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "STSong", "SimSun", "Fraunces", serif;
  --font-mono: "JetBrains Mono", "SF Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;

  /* 尺寸 */
  --container: 1240px;
  --container-narrow: 880px;
  --container-wide: 1440px;

  /* 间距 */
  --space-section: clamp(72px, 9vw, 132px);
  --space-block: clamp(40px, 5vw, 80px);

  /* 阴影 */
  --shadow-card: 0 1px 0 var(--rule-soft), 0 12px 32px -16px rgba(12, 28, 54, 0.10);
  --shadow-lift: 0 18px 48px -20px rgba(12, 28, 54, 0.22);
}

/* ---------- 基础重置 ---------- */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.72;
  color: var(--text);
  background: var(--white);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
  text-rendering: optimizeLegibility;
}

/* 中文字符级微调 —— 数字与英文采用比例字体（tnum 关掉），中文行距更宽 */
:lang(zh-CN) {
  font-feature-settings: "kern" 1, "palt" 1; /* 比例假名/标点 */
}

a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
a:hover { color: var(--accent-deep); }

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4, h5, h6 {
  color: var(--ink);
  line-height: 1.22;
  margin: 0 0 0.6em;
  font-weight: 500;
}

p { margin: 0 0 1em; }

/* 选中色 */
::selection { background: var(--ink); color: var(--paper); }

/* ---------- 通用容器 ---------- */
.container        { max-width: var(--container);        margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 32px; }
.container-wide   { max-width: var(--container-wide);   margin: 0 auto; padding: 0 32px; }

@media (max-width: 600px) {
  .container, .container-narrow, .container-wide { padding: 0 22px; }
}

/* ---------- 顶部细线（科学仪器风） ---------- */
.top-rule {
  height: 3px;
  background: var(--ink);
  border-bottom: 1px solid var(--accent);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--rule-cool);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  max-width: var(--container-wide);
  margin: 0 auto;
  gap: 24px;
}
.site-brand a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  color: var(--ink);
}
.brand-mark {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.015em;
  line-height: 1;
}
.brand-mark-cn {
  font-family: var(--font-cn-serif);
  font-weight: 400;
  font-size: 15px;
  color: var(--ink-soft);
  border-left: 1px solid var(--rule);
  padding-left: 12px;
  letter-spacing: 0.04em;
  line-height: 1;
}

.primary-nav { display: flex; align-items: center; gap: 2px; }
.primary-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2px;
  align-items: center;
}
.primary-nav li { position: relative; }
.primary-nav a {
  display: block;
  padding: 10px 14px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0;
  white-space: nowrap;
}
.primary-nav a:hover { color: var(--ink); }
.primary-nav .current-menu-item > a,
.primary-nav .current_page_item > a,
.primary-nav .current-menu-ancestor > a { color: var(--accent-deep); }

/* 二级菜单 */
.primary-nav ul ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--white);
  border: 1px solid var(--rule-cool);
  border-top: 2px solid var(--accent);
  padding: 10px 0;
  box-shadow: var(--shadow-lift);
  flex-direction: column;
  gap: 0;
}
.primary-nav li:hover > ul,
.primary-nav li:focus-within > ul { display: flex; }
.primary-nav ul ul li { width: 100%; }
.primary-nav ul ul a {
  padding: 10px 20px;
  font-size: 14px;
  color: var(--ink-soft);
}
.primary-nav ul ul a:hover { background: var(--paper-soft); color: var(--accent-deep); }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--white);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid var(--ink);
  transition: all 0.2s ease;
  white-space: nowrap;
}
.header-cta:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: var(--white); }

/* 移动菜单按钮 */
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule);
  padding: 9px 14px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink);
}

@media (max-width: 1080px) {
  .primary-nav, .header-cta { display: none; }
  .menu-toggle { display: inline-flex; }
  .primary-nav.active {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--rule-cool);
    padding: 16px 24px 24px;
  }
  .primary-nav.active ul { flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
  .primary-nav.active ul ul {
    display: none;
    position: static;
    border: none;
    box-shadow: none;
    padding: 0 0 8px 16px;
    background: transparent;
  }
  .primary-nav.active li:hover > ul { display: none; } /* 移动端避免 hover 触发 */
  .primary-nav.active .menu-item-has-children > a::after {
    content: " +";
    color: var(--accent-deep);
    font-family: var(--font-mono);
  }
  .primary-nav.active .menu-item-has-children.open > ul { display: flex; }
  .primary-nav.active .menu-item-has-children.open > a::after { content: " −"; }
  .primary-nav.active a {
    padding: 12px 0;
    border-bottom: 1px solid var(--rule-soft);
    font-size: 15px;
  }
  .primary-nav.active ul ul a { border-bottom: none; padding: 8px 0; font-size: 14px; }
}

/* ---------- Hero（首页主视觉） ---------- */
.hero {
  position: relative;
  padding: clamp(80px, 11vw, 140px) 0 clamp(60px, 8vw, 100px);
  background: var(--white);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(12, 28, 54, 0.055) 1px, transparent 0);
  background-size: 28px 28px;
  background-position: center top;
  mask-image: linear-gradient(to bottom, black 0%, transparent 75%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 75%);
  pointer-events: none;
}
/* 右上角装饰科学符号 */
.hero::after {
  content: "";
  position: absolute;
  right: 5%;
  top: 80px;
  width: 1px;
  height: 80px;
  background: var(--accent);
  opacity: 0.4;
}

.hero-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.hero-eyebrow::before {
  content: "";
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--accent);
}
.hero-title {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: clamp(36px, 5.8vw, 72px);
  line-height: 1.12;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin: 0 0 28px;
  max-width: 18ch;
}
.hero-title em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  color: var(--accent-deep);
}
.hero-title .accent-num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  color: var(--accent-deep);
}
.hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-soft);
  max-width: 640px;
  margin: 0 0 36px;
}

.hero-cta-group {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}
.btn-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: var(--white); }
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--white); }
.btn-link {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  padding: 14px 0;
  border-radius: 0;
}
.btn-link:hover { color: var(--accent-deep); border-color: var(--accent-deep); }

/* Hero 数据条 —— 更克制的尺寸，对齐编辑风 */
.hero-stats {
  margin-top: clamp(56px, 7vw, 88px);
  padding-top: 36px;
  border-top: 1px solid var(--rule-cool);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 36px;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 44px;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.025em;
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.stat-num small {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
  letter-spacing: 0;
}
.stat-label {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-soft);
  line-height: 1.5;
}
.stat-note {
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-mute);
  line-height: 1.55;
}

/* ---------- 通用 Section ---------- */
section { padding: var(--space-section) 0; }

.section-header {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 60px;
  margin-bottom: 56px;
  align-items: start;
}
.section-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--accent-deep);
  padding-top: 12px;
  border-top: 1px solid var(--ink);
  display: inline-block;
}
.section-title {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: clamp(28px, 3.8vw, 46px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 20px;
  max-width: 22ch;
}
.section-sub {
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--text-soft);
  max-width: 64ch;
}

@media (max-width: 800px) {
  .section-header { grid-template-columns: 1fr; gap: 16px; }
}

/* ---------- 业务板块（六大服务） ---------- */
.services-section { background: var(--paper-soft); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
}
.service-card {
  background: var(--white);
  padding: 44px 36px;
  display: flex;
  flex-direction: column;
  transition: background 0.25s ease;
  position: relative;
}
.service-card:hover { background: var(--paper-soft); }
.service-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--accent-deep);
  margin-bottom: 20px;
}
.service-card h3 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 23px;
  line-height: 1.28;
  margin: 0 0 14px;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.service-card p {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.65;
  margin: 0 0 22px;
  flex-grow: 1;
}
.service-card .service-link {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.2s ease;
}
.service-card .service-link:hover { gap: 14px; color: var(--accent-deep); }

/* ---------- 标杆案例（FD-001） —— 重新设计，无大数字 ---------- */
.case-feature {
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-section) 0;
  position: relative;
}
.case-feature::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.04) 1px, transparent 0);
  background-size: 28px 28px;
  pointer-events: none;
}
.case-feature .container { position: relative; }
.case-feature .section-num { color: var(--accent); border-color: var(--accent); }
.case-feature .section-title { color: var(--white); }
.case-feature .section-sub { color: #C5CFDA; }

.case-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 900px) { .case-grid { grid-template-columns: 1fr; gap: 48px; } }

/* 左侧：分子信息卡 */
.case-asset {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.025);
  padding: 36px 32px;
}
.case-asset-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.case-asset-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 48px;
  letter-spacing: -0.02em;
  color: var(--white);
  line-height: 1;
  margin-bottom: 12px;
}
.case-asset-desc {
  font-family: var(--font-cn-serif);
  font-size: 18px;
  color: #C5CFDA;
  line-height: 1.5;
  margin-bottom: 28px;
}

.case-asset-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.case-asset-meta dt {
  background: var(--ink);
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8FA1B8;
  margin: 0;
}
.case-asset-meta dd {
  background: var(--ink);
  padding: 0 16px 14px;
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--white);
  line-height: 1.4;
}

/* 右侧：能力清单 */
.case-points {
  list-style: none;
  margin: 0 0 36px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.case-points li {
  padding-left: 28px;
  position: relative;
  font-size: 15.5px;
  line-height: 1.65;
  color: #DCE3EA;
}
.case-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 16px;
  height: 1px;
  background: var(--accent);
}
.case-points li strong {
  color: var(--white);
  font-weight: 500;
  margin-right: 2px;
}

.case-footnote {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-family: var(--font-mono);
  font-size: 12px;
  color: #8FA1B8;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

/* ---------- 平台技术（PRODED） ---------- */
.platform-section { background: var(--paper); }
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 8px;
}
@media (max-width: 900px) { .platform-grid { grid-template-columns: 1fr; gap: 32px; } }

.platform-item {
  border-top: 1px solid var(--ink);
  padding-top: 22px;
}
.platform-item-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
  margin-bottom: 12px;
}
.platform-item h4 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 21px;
  margin: 0 0 12px;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.platform-item p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-soft);
  margin: 0;
}

/* ---------- 客户画像 ---------- */
.clients-section { background: var(--white); }
.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule-soft);
  border: 1px solid var(--rule-soft);
  margin-top: 8px;
}
@media (max-width: 900px) { .clients-grid { grid-template-columns: 1fr; } }

.client-tier {
  background: var(--white);
  padding: 36px 30px;
}
.client-tier-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
  margin-bottom: 14px;
}
.client-tier h3 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 20px;
  margin: 0 0 14px;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.client-tier p { color: var(--text-soft); font-size: 14.5px; margin: 0; line-height: 1.65; }

/* ---------- 新闻 / 洞察 ---------- */
.news-section { background: var(--paper-cool); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
@media (max-width: 900px) { .news-grid { grid-template-columns: 1fr; } }

.news-card {
  border-top: 1px solid var(--ink);
  padding-top: 22px;
  display: flex;
  flex-direction: column;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.news-meta .news-cat { color: var(--accent-deep); }
.news-card h3 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.4;
  margin: 0 0 14px;
  letter-spacing: -0.005em;
}
.news-card h3 a { color: var(--ink); }
.news-card h3 a:hover { color: var(--accent-deep); }
.news-card p {
  font-size: 14.5px;
  color: var(--text-soft);
  margin: 0 0 20px;
  line-height: 1.65;
  flex-grow: 1;
}

/* ---------- 大 CTA ---------- */
.cta-section {
  background: var(--ink);
  color: var(--white);
  padding: clamp(72px, 9vw, 120px) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.04) 1px, transparent 0);
  background-size: 28px 28px;
  pointer-events: none;
}
.cta-section > .container-narrow { position: relative; }
.cta-section h2 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  color: var(--white);
  font-size: clamp(28px, 4.5vw, 46px);
  margin: 0 auto 22px;
  max-width: 22ch;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.cta-section p {
  font-size: 17px;
  color: #C5CFDA;
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.65;
}
.cta-section .btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
}
.cta-section .btn-primary:hover { background: var(--white); border-color: var(--white); color: var(--ink); }
.cta-section .btn-outline {
  color: var(--white);
  border-color: var(--white);
}
.cta-section .btn-outline:hover { background: var(--white); color: var(--ink); }

/* ---------- 通用 Page Hero ---------- */
.page-hero {
  padding: clamp(72px, 8vw, 110px) 0 clamp(40px, 5vw, 64px);
  border-bottom: 1px solid var(--rule-cool);
  background: var(--paper-soft);
}
.page-hero .page-eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 20px;
}
.page-hero h1 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: clamp(32px, 4.8vw, 58px);
  line-height: 1.15;
  margin: 0 0 22px;
  max-width: 22ch;
  letter-spacing: -0.012em;
}
.page-hero .page-lead {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-soft);
  max-width: 60ch;
  margin: 0;
}

.page-content { padding: clamp(56px, 7vw, 88px) 0; }
.page-content .container-narrow { max-width: 760px; }

/* ---------- 正文样式 ---------- */
.entry-content {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text);
}
.entry-content h2 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 30px;
  margin: 56px 0 22px;
  line-height: 1.3;
  border-top: 1px solid var(--ink);
  padding-top: 28px;
  letter-spacing: -0.008em;
}
.entry-content h3 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 22px;
  margin: 36px 0 14px;
  line-height: 1.35;
  letter-spacing: -0.005em;
}
.entry-content h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 17px;
  margin: 28px 0 12px;
  color: var(--ink);
}
.entry-content p { margin: 0 0 1.2em; }
.entry-content ul, .entry-content ol { margin: 0 0 1.4em; padding-left: 24px; }
.entry-content li { margin-bottom: 8px; }
.entry-content blockquote {
  border-left: 2px solid var(--accent);
  margin: 32px 0;
  padding: 6px 0 6px 26px;
  font-family: var(--font-cn-serif);
  font-size: 20px;
  line-height: 1.55;
  color: var(--ink);
  font-style: normal;
}
.entry-content blockquote p:last-child { margin-bottom: 0; }
.entry-content a {
  color: var(--accent-deep);
  border-bottom: 1px solid var(--accent);
}
.entry-content a:hover { color: var(--ink); border-color: var(--ink); }
.entry-content strong { color: var(--ink); font-weight: 600; }
.entry-content em { font-style: italic; }
.entry-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--paper);
  padding: 2px 6px;
  border-radius: 2px;
}
.entry-content hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 44px 0;
}

/* 表格 */
.entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 14.5px;
}
.entry-content th {
  background: var(--ink);
  color: var(--paper);
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.entry-content td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: top;
}
.entry-content tr:nth-child(even) td { background: var(--paper-soft); }

/* 内联引用（含 cite 短句） */
.entry-content .pullquote {
  font-family: var(--font-cn-serif);
  font-size: 24px;
  line-height: 1.45;
  color: var(--ink);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 28px 0;
  margin: 36px 0;
}

/* ---------- 博客列表 ---------- */
.archive-hero {
  padding: 80px 0 40px;
  background: var(--paper-soft);
  border-bottom: 1px solid var(--rule-cool);
}
.archive-hero .archive-eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 16px;
}
.archive-hero h1 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: clamp(32px, 4.5vw, 50px);
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}
.archive-hero .archive-desc { color: var(--text-soft); font-size: 17px; max-width: 60ch; margin: 0; line-height: 1.6; }

.posts-list { padding: 72px 0; }
.posts-list .container { max-width: var(--container); }

.post-row {
  display: grid;
  grid-template-columns: 180px 1fr 160px;
  gap: 48px;
  padding: 36px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: start;
}
.post-row:first-child { border-top: 1px solid var(--ink); }
@media (max-width: 900px) {
  .post-row { grid-template-columns: 1fr; gap: 12px; }
}

.post-row .post-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.post-row .post-meta .cat-link { color: var(--accent-deep); }
.post-row .post-meta a { color: inherit; }
.post-row .post-main h2 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.32;
  margin: 0 0 14px;
  letter-spacing: -0.008em;
}
.post-row .post-main h2 a { color: var(--ink); }
.post-row .post-main h2 a:hover { color: var(--accent-deep); }
.post-row .post-main p {
  color: var(--text-soft);
  font-size: 15.5px;
  line-height: 1.7;
  margin: 0;
}
.post-row .post-read {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  text-align: right;
  padding-top: 6px;
}
@media (max-width: 900px) { .post-row .post-read { text-align: left; padding-top: 0; } }

/* ---------- 单篇文章 ---------- */
.single-hero {
  padding: clamp(72px, 8vw, 110px) 0 clamp(36px, 5vw, 56px);
  background: var(--paper-soft);
  border-bottom: 1px solid var(--rule-cool);
}
.single-hero .single-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 22px;
}
.single-hero .single-meta a { color: var(--accent-deep); }
.single-hero h1 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: clamp(28px, 4.2vw, 48px);
  line-height: 1.22;
  margin: 0 0 26px;
  max-width: 22ch;
  letter-spacing: -0.012em;
}
.single-byline {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-soft);
  letter-spacing: 0.04em;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.single-content { padding: 56px 0 80px; }

.single-tags {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}
.single-tags-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin-bottom: 14px;
  display: block;
}
.single-tags a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 13px;
  border: 1px solid var(--rule);
  color: var(--ink);
  margin: 0 6px 6px 0;
  transition: all 0.2s;
}
.single-tags a:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }

.post-navigation {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid var(--rule);
}
.post-navigation .nav-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
@media (max-width: 600px) { .post-navigation .nav-links { grid-template-columns: 1fr; } }
.post-navigation .nav-previous a,
.post-navigation .nav-next a {
  display: block;
  padding: 22px;
  border: 1px solid var(--rule);
  font-family: var(--font-cn-serif);
  font-size: 15.5px;
  line-height: 1.45;
  color: var(--ink);
  transition: all 0.2s;
}
.post-navigation .nav-next { text-align: right; }
.post-navigation .nav-previous a:hover,
.post-navigation .nav-next a:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }
.post-navigation .nav-arrow {
  font-family: var(--font-mono);
  color: var(--accent-deep);
  font-size: 17px;
}

/* ---------- 分页 ---------- */
.navigation.pagination {
  margin-top: 56px;
  display: flex;
  justify-content: center;
}
.nav-links { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 13px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--ink);
  border: 1px solid var(--rule);
}
.page-numbers.current {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}
.page-numbers:hover:not(.current) { background: var(--paper-soft); border-color: var(--ink); }

/* ---------- 评论 ---------- */
.comments-area { margin-top: 72px; padding-top: 36px; border-top: 1px solid var(--rule); }
.comments-title {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 26px;
  margin-bottom: 28px;
  letter-spacing: -0.005em;
}
.comment-list { list-style: none; padding: 0; }
.comment-body { padding: 22px 0; border-bottom: 1px solid var(--rule-soft); }
.comment-meta { margin-bottom: 12px; font-family: var(--font-mono); font-size: 11.5px; }
.comment-content p { margin: 0 0 0.8em; }
.comment-form { margin-top: 36px; }
.comment-form label { display: block; margin-bottom: 8px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase; }
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--rule);
  font-family: var(--font-sans);
  font-size: 15px;
  margin-bottom: 16px;
  background: var(--white);
}
.comment-form textarea { min-height: 130px; resize: vertical; }
.comment-form input[type="submit"],
.comment-form button[type="submit"] {
  background: var(--ink);
  color: var(--white);
  border: 1px solid var(--ink);
  padding: 13px 26px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 72px;
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 40px; } }

.contact-info dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin-bottom: 8px;
}
.contact-info dd {
  font-family: var(--font-cn-serif);
  font-size: 19px;
  color: var(--ink);
  margin: 0 0 26px;
  padding: 0;
  line-height: 1.45;
  letter-spacing: -0.005em;
}

/* ---------- 搜索表单 ---------- */
.search-form { display: flex; gap: 0; max-width: 480px; }
.search-form input[type="search"] {
  flex-grow: 1;
  padding: 12px 16px;
  border: 1px solid var(--ink);
  border-right: none;
  font-family: var(--font-sans);
  font-size: 15px;
  background: var(--white);
}
.search-form button {
  background: var(--ink);
  color: var(--white);
  border: 1px solid var(--ink);
  padding: 12px 22px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- 404 ---------- */
.error-404 {
  padding: 120px 0;
  text-align: center;
}
.error-404 .error-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 180px;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  margin: 0;
  letter-spacing: -0.05em;
}

/* ---------- 侧边栏 widget ---------- */
.widget { margin-bottom: 36px; }
.widget-title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-deep);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ink);
  margin: 0 0 18px;
  font-weight: 500;
}
.widget ul { list-style: none; padding: 0; margin: 0; }
.widget li {
  padding: 9px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 14.5px;
}
.widget a { color: var(--ink); }
.widget a:hover { color: var(--accent-deep); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: 72px 0 0;
  border-top: 3px solid var(--accent);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid #1E3550;
}
@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 600px) {
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}

.footer-brand .brand-mark {
  color: var(--white);
  font-size: 24px;
  margin-bottom: 10px;
  display: block;
}
.footer-brand .brand-mark-cn {
  border: none;
  padding: 0;
  color: #B4C1D1;
  display: block;
  font-size: 14.5px;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.footer-brand p {
  font-size: 13.5px;
  line-height: 1.7;
  color: #B4C1D1;
  margin: 0;
  max-width: 36ch;
}

.site-footer h4,
.site-footer .widget-title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid #1E3550;
  padding-bottom: 12px;
  margin: 0 0 18px;
}

.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li {
  padding: 5px 0;
  border: none;
  font-size: 13.5px;
}
.site-footer a { color: #DCE3EA; }
.site-footer a:hover { color: var(--accent); }

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: #7B8B9F;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a { color: #B4C1D1; }
.footer-bottom a:hover { color: var(--accent); }
.footer-menu-inline { list-style: none; padding: 0; margin: 0; display: inline-flex; gap: 18px; }
.footer-menu-inline a { font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- 工具类 ---------- */
.text-mono { font-family: var(--font-mono); }
.text-serif { font-family: var(--font-cn-serif); }
.text-uppercase { text-transform: uppercase; letter-spacing: 0.12em; }
.text-center { text-align: center; }
.divider { height: 1px; background: var(--rule); margin: 36px 0; border: none; }

/* ---------- 动画 ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.7s cubic-bezier(0.2, 0.6, 0.2, 1) both; }
.fade-up-delay-1 { animation-delay: 0.08s; }
.fade-up-delay-2 { animation-delay: 0.16s; }
.fade-up-delay-3 { animation-delay: 0.24s; }
.fade-up-delay-4 { animation-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 打印样式 ---------- */
@media print {
  .site-header, .site-footer, .header-cta, .menu-toggle { display: none; }
  body { font-size: 12pt; color: black; background: white; }
  a { color: black; text-decoration: underline; }
}

/* ===========================================================================
 * v1.3 增量样式 —— 视觉打磨、内页升级、表单与归档卡片
 * 此区块统一覆盖/扩展 v1.2 既有规则，便于维护回滚。
 * =========================================================================== */

/* ---------- Header 品牌区（带 mono 标） ---------- */
.site-brand .brand-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--ink);
  line-height: 1.1;
}
.site-brand .brand-mono {
  display: block;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  flex-shrink: 0;
}
.site-brand .brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-start;
}
.site-brand .brand-mark { font-size: 18px; line-height: 1.15; }
.site-brand .brand-mark-cn { font-size: 12px; color: var(--text-soft); letter-spacing: 0.06em; }
@media (max-width: 600px) {
  .site-brand .brand-mark { font-size: 16px; }
  .site-brand .brand-mark-cn { font-size: 11px; }
  .site-brand .brand-mono { width: 26px; height: 26px; }
}

/* ---------- Hero 重塑 ---------- */
.hero { isolation: isolate; }
.hero::before { display: none; } /* 旧 dot grid 让位给新 SVG */
.hero::after { display: none; }
.hero .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black 0%, black 65%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 65%, transparent 100%);
}
.hero-eyebrow {
  background: linear-gradient(90deg, rgba(0,140,122,0.10) 0%, rgba(0,140,122,0) 100%);
  padding: 7px 14px 7px 0;
  border-radius: 0 999px 999px 0;
}
.hero-eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  display: inline-block;
  margin-right: 4px;
  box-shadow: 0 0 0 4px rgba(0, 140, 122, 0.15);
}
.hero-title-accent {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  color: var(--accent-deep);
  position: relative;
}
.hero-title-accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: -4px;
  bottom: -6px;
  height: 2px;
  background: var(--accent);
  opacity: 0.45;
}

/* Hero stats: feature card + 3 micro stats */
.hero-stats {
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 20px;
  align-items: stretch;
}
.stat {
  padding: 22px 22px 20px;
  background: var(--paper-soft);
  border: 1px solid var(--rule-cool);
  border-radius: 4px;
  position: relative;
}
.stat::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
}
.stat-feature {
  background: var(--ink);
  color: var(--paper-soft);
  border-color: var(--ink);
}
.stat-feature .stat-num,
.stat-feature .stat-label,
.stat-feature .stat-note { color: var(--paper-soft); }
.stat-feature .stat-label { color: rgba(244, 241, 234, 0.7); }
.stat-feature::before { background: var(--accent); }
.stat-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.stat-num { font-size: 38px; }
.stat-feature .stat-num {
  font-size: 32px;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}
.stat-label { margin-top: 12px; }
.stat-note {
  margin-top: 6px;
  font-size: 11.5px;
  color: rgba(244, 241, 234, 0.55);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
@media (max-width: 980px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .stat-feature { grid-column: span 2; }
}
@media (max-width: 520px) {
  .hero-stats { grid-template-columns: 1fr; gap: 14px; }
  .stat-feature { grid-column: span 1; }
  .stat { padding: 18px 18px 16px; }
  .stat-num { font-size: 30px; }
}

/* ---------- Page content polish (内页正文升级) ---------- */
.entry-content > h2 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: clamp(24px, 2.6vw, 30px);
  margin: 64px 0 24px;
  padding-top: 28px;
  border-top: 1px solid var(--rule-cool);
  position: relative;
}
.entry-content > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 40px;
  height: 2px;
  background: var(--accent);
}
.entry-content > h3 {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 20px;
  margin: 44px 0 12px;
  color: var(--ink);
}
.entry-content > h3::before {
  content: "—— ";
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 500;
  margin-right: 6px;
}
.entry-content > ul,
.entry-content > ol {
  padding: 18px 20px 18px 36px;
  background: var(--paper-soft);
  border-left: 2px solid var(--accent);
  margin: 18px 0;
  border-radius: 0 4px 4px 0;
}
.entry-content > ul li,
.entry-content > ol li {
  margin: 0.4em 0;
  line-height: 1.75;
}
.entry-content blockquote {
  margin: 28px 0;
  padding: 22px 28px;
  background: var(--paper-cool);
  border-left: 3px solid var(--ink);
  font-family: var(--font-cn-serif);
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
  border-radius: 0 4px 4px 0;
}
.entry-content blockquote p:last-child { margin-bottom: 0; }
.entry-content table {
  border-collapse: collapse;
  width: 100%;
  margin: 24px 0;
  font-size: 14.5px;
  box-shadow: var(--shadow-card);
  border-radius: 4px;
  overflow: hidden;
}
.entry-content table thead th,
.entry-content table th {
  background: var(--ink);
  color: var(--paper-soft);
  text-align: left;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.entry-content table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule-soft);
  vertical-align: top;
}
.entry-content table tbody tr:nth-child(even) { background: var(--paper-soft); }
.entry-content table tbody tr:last-child td { border-bottom: none; }
.entry-content hr {
  border: none;
  border-top: 1px solid var(--rule-cool);
  margin: 40px 0;
}
.entry-content p > strong:first-child {
  color: var(--ink);
}
.entry-content a {
  color: var(--accent-deep);
  border-bottom: 1px solid var(--accent-soft);
  transition: color 0.18s, border-color 0.18s;
}
.entry-content a:hover {
  color: var(--ink);
  border-color: var(--accent);
}

/* ---------- Archive 列表卡片：缩略图 + 内容 ---------- */
.post-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--rule-cool);
  align-items: start;
}
.post-row .post-body { display: flex; flex-direction: column; gap: 12px; }
.post-row .post-thumb,
.post-row .post-thumb-link,
.post-row .post-thumb-fallback {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--paper-cool);
  border-radius: 4px;
  position: relative;
}
.post-row .post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.post-row .post-thumb-fallback {
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-soft) 100%);
  color: var(--paper-soft);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 18px;
}
.post-row[data-cat="case-study"] .post-thumb-fallback,
.post-row[data-cat="case-studies"] .post-thumb-fallback {
  background: linear-gradient(135deg, var(--accent-deep) 0%, var(--ink) 100%);
}
.post-row[data-cat="news"] .post-thumb-fallback,
.post-row[data-cat="announcements"] .post-thumb-fallback {
  background: linear-gradient(135deg, var(--ink) 0%, #2A4170 100%);
}
.post-row[data-cat="insight"] .post-thumb-fallback,
.post-row[data-cat="insights"] .post-thumb-fallback,
.post-row[data-cat="industry"] .post-thumb-fallback {
  background: linear-gradient(135deg, #1E3158 0%, var(--accent-deep) 100%);
}
.post-row .thumb-fallback-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  opacity: 0.85;
}
.post-row .thumb-fallback-text {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 28px;
  letter-spacing: -0.01em;
}
@media (max-width: 720px) {
  .post-row { grid-template-columns: 1fr; gap: 16px; }
  .post-row .post-thumb { max-width: 100%; aspect-ratio: 16 / 9; }
}

/* ---------- 相关阅读 ---------- */
.related-posts {
  margin-top: 64px;
  padding-top: 36px;
  border-top: 1px solid var(--rule-cool);
}
.related-title {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 20px;
  color: var(--ink);
  margin: 0 0 24px;
}
.related-title::before {
  content: "RELATED · ";
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent-deep);
  margin-right: 6px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.related-card {
  padding: 20px;
  background: var(--paper-soft);
  border: 1px solid var(--rule-cool);
  border-radius: 4px;
  transition: border-color 0.18s, transform 0.18s;
}
.related-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.related-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-soft);
  display: flex;
  gap: 14px;
  margin-bottom: 10px;
}
.related-card h4 {
  margin: 0;
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.4;
}
.related-card h4 a { color: var(--ink); }
.related-card h4 a:hover { color: var(--accent-deep); }

/* ---------- Footer 底部行 ---------- */
.footer-bottom-right {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-icp a {
  color: rgba(244, 241, 234, 0.6);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.footer-icp a:hover { color: var(--paper-soft); }

/* ---------- 联系表单 ---------- */
.contact-layout .contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 64px;
  align-items: start;
  padding-top: 56px;
}
@media (max-width: 900px) {
  .contact-layout .contact-grid { grid-template-columns: 1fr; gap: 36px; padding-top: 36px; }
}
.contact-info .entry-content { font-size: 16px; }
.contact-form-card {
  position: sticky;
  top: 96px;
  padding: 36px 36px 32px;
  background: var(--paper-soft);
  border: 1px solid var(--rule-cool);
  border-radius: 6px;
  box-shadow: var(--shadow-card);
}
@media (max-width: 900px) {
  .contact-form-card { position: static; padding: 28px 24px; }
}
.contact-form-title {
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 24px;
  margin: 0 0 8px;
  color: var(--ink);
}
.contact-form-sub {
  font-size: 14px;
  color: var(--text-soft);
  margin: 0 0 24px;
  line-height: 1.6;
}
.form-alert {
  padding: 14px 16px;
  border-radius: 4px;
  font-size: 14px;
  margin-bottom: 20px;
  line-height: 1.5;
}
.form-alert-ok {
  background: var(--accent-soft);
  color: var(--accent-deep);
  border-left: 3px solid var(--accent);
}
.form-alert-err {
  background: #FCEDEA;
  color: var(--critical);
  border-left: 3px solid var(--critical);
}
.contact-form { display: grid; gap: 18px; }
.form-row { display: grid; gap: 14px; }
.form-row-2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 520px) {
  .form-row-2 { grid-template-columns: 1fr; }
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-soft);
}
.form-label em { color: var(--critical); font-style: normal; margin-left: 2px; }
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--rule-cool);
  border-radius: 4px;
  transition: border-color 0.18s, box-shadow 0.18s;
  box-sizing: border-box;
}
.contact-form textarea { resize: vertical; min-height: 130px; line-height: 1.6; }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 140, 122, 0.15);
}
.form-consent {
  font-size: 12px;
  color: var(--text-mute);
  line-height: 1.55;
  margin: 4px 0 0;
}
.form-submit {
  margin-top: 4px;
  justify-self: start;
  padding: 14px 28px;
  font-size: 15px;
}